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git-svn-id: http://svn.openzap.org/svn/openzap/trunk@267 a93c3328-9c30-0410-af19-c9cd2b2d52af
This commit is contained in:
Anthony Minessale
2007-06-16 16:38:40 +00:00
parent aa53cf7997
commit 759cb3e2d7
4 changed files with 157 additions and 157 deletions
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24
libs/freetdm/src/include/libteletone_detect.h
View File

@@ -54,7 +54,7 @@
* Exception:
* The author hereby grants the use of this source code under the
* following license if and only if the source code is distributed
* as part of the openzap library. Any use or distribution of this
* as part of the openzap library. Any use or distribution of this
* source code outside the scope of the openzap library will nullify the
* following license and reinact the MPL 1.1 as stated above.
*
@@ -80,7 +80,7 @@
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
* OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
@@ -105,9 +105,9 @@ extern "C" {
*/
#ifndef FALSE
#define FALSE 0
#define FALSE 0
#ifndef TRUE
#define TRUE (!FALSE)
#define TRUE (!FALSE)
#endif
#endif
@@ -123,13 +123,13 @@ extern "C" {
* Frequency tolerance +- 1.5% will detect, +-3.5% will reject
*/
#define DTMF_THRESHOLD 8.0e7
#define DTMF_NORMAL_TWIST 6.3 /* 8dB */
#define DTMF_REVERSE_TWIST 2.5 /* 4dB */
#define DTMF_RELATIVE_PEAK_ROW 6.3 /* 8dB */
#define DTMF_RELATIVE_PEAK_COL 6.3 /* 8dB */
#define DTMF_2ND_HARMONIC_ROW 2.5 /* 4dB */
#define DTMF_2ND_HARMONIC_COL 63.1 /* 18dB */
#define DTMF_THRESHOLD 8.0e7
#define DTMF_NORMAL_TWIST 6.3 /* 8dB */
#define DTMF_REVERSE_TWIST 2.5 /* 4dB */
#define DTMF_RELATIVE_PEAK_ROW 6.3 /* 8dB */
#define DTMF_RELATIVE_PEAK_COL 6.3 /* 8dB */
#define DTMF_2ND_HARMONIC_ROW 2.5 /* 4dB */
#define DTMF_2ND_HARMONIC_COL 63.1 /* 18dB */
#define GRID_FACTOR 4
#define BLOCK_LEN 102
#define M_TWO_PI 2.0*M_PI
@@ -154,7 +154,7 @@ extern "C" {
teletone_goertzel_state_t row_out2nd[GRID_FACTOR];
teletone_goertzel_state_t col_out2nd[GRID_FACTOR];
float energy;
int current_sample;
char digits[TELETONE_MAX_DTMF_DIGITS + 1];
int current_digits;

18
libs/freetdm/src/include/libteletone_generate.h
View File

@@ -33,7 +33,7 @@
* Exception:
* The author hereby grants the use of this source code under the
* following license if and only if the source code is distributed
* as part of the openzap library. Any use or distribution of this
* as part of the openzap library. Any use or distribution of this
* source code outside the scope of the openzap library will nullify the
* following license and reinact the MPL 1.1 as stated above.
*
@@ -59,7 +59,7 @@
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
* OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
@@ -138,25 +138,25 @@ static __inline__ int32_t teletone_dds_phase_rate(teletone_process_t tone, uint3
static __inline__ int16_t teletone_dds_state_modulate_sample(teletone_dds_state_t *dds, uint32_t pindex)
{
int32_t bitmask = dds->phase_accumulator, sine_index = (bitmask >>= 23) & SINE_TABLE_LEN;
int32_t bitmask = dds->phase_accumulator, sine_index = (bitmask >>= 23) & SINE_TABLE_LEN;
int16_t sample;
if (pindex >= MAX_PHASE_TONES) {
if (pindex >= MAX_PHASE_TONES) {
pindex = 0;
}
if (bitmask & SINE_TABLE_MAX) {
sine_index = SINE_TABLE_LEN - sine_index;
if (bitmask & SINE_TABLE_MAX) {
sine_index = SINE_TABLE_LEN - sine_index;
}
sample = TELETONE_SINES[sine_index];
sample = TELETONE_SINES[sine_index];
if (bitmask & (SINE_TABLE_MAX * 2)) {
if (bitmask & (SINE_TABLE_MAX * 2)) {
sample *= -1;
}
dds->phase_accumulator += dds->phase_rate[pindex];
return (int16_t) (sample * dds->scale_factor >> 15);
return (int16_t) (sample * dds->scale_factor >> 15);
}
static __inline__ void teletone_dds_state_set_tx_level(teletone_dds_state_t *dds, float tx_level)